I took the depo shot once And I’m due back

Patient: I took the depo shot once. And I’m due back July 1 2015. I’ve been feeling nausea so I took a test and it was positive.. Could I be pregnant? Could the results be false? And IF not when can I get pregnant again?

Symptoms: Nausea

Doctor: Thank you for writing to us.It is possible that you are pregnant. You can talk to a Doctor to reach a diagnosis. The Doctor will do a USG to check if you are pregnant. Wishing you the best.Hope this helps you.